Gliadin (Deamidated) Antibody (IgG, IgA) - This test is crucial for diagnosing celiac disease by detecting antibodies against gliadin, a key protein in gluten. While gliadin antibodies can appear in people without celiac disease, making the test less specific, recent advancements have improved its accuracy. The test now focuses on deamidated gliadin peptides, which have a stronger reaction with antibodies in celiac patients, offering a more precise diagnosis compared to traditional gliadin antibody tests.
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